public MeshPhysicsElementFactory(PhysicsEngine engine, ClientPhysicsQuadTreeNode root)
        {
            Engine = engine;
            Root   = root;

            MeshPhysicsPool = new MeshPhysicsPool();
            actorBuilder    = new MeshPhysicsActorBuilder(MeshPhysicsPool);
        }
 public MeshPhysicsActorBuilder(MeshPhysicsPool meshPhysicsPool)
 {
     MeshPhysicsPool = meshPhysicsPool;
 }